Smithing Progression

Added shield progression from Wood through Echo, with increasing knockback resistance and projectile protection.

Added Gold, Diamond, Netherite, and Echo Spiked Shields with six black 3D spikes.

Added smithing-based shield spiking using Wither Bones.

Added shield bashing by pressing crouch while actively blocking.

Added bash animations, durability costs, and a cooldown indicator below the crosshair.

Set spiked shield cooldowns to 4 / 3 / 2 / 1 seconds for Gold / Diamond / Netherite / Echo.

Added an Echo Shield timed-block knockback pulse.

Added offhand Whetstone repairs with the vanilla grindstone sound.

Added Echo Whetstones with 4,000 durability, repairing up to 300 equipment durability per use.

Added grindstone equipment salvaging and Diamond Shards.

Added naturally generated Ruined Workshops with supplies, equipment, and Workshop Notes.

Added /locate structure smithing_progression:ruined_workshop support.

Added Quiet Echo Steps, suppressing walking, swimming, and landing vibrations while wearing Echo Boots.

Added the Sculk Golem, its spawn egg, and Deep Dark spawning.

Added vanilla enchantment compatibility for Echo equipment and armor trim support for Echo armor.

Added a dedicated Smithing Progression creative tab.

Expanded JEI recipes and information for shields, repairs, salvaging, and new item acquisition. 

Fixed workshop generation, shield texture bindings, and progression recipe reliability.